The Piranha Prime left the base after loading up on extra supplies. In order to minimize its energy usage, Venerable Tusa disabled or lowered the power setting of numerous systems.
The mech also carried a customized backpack module that it was able to dump onto the ground whenever it needed to fight. The backpack was filled with extra energy cells and other supplies.
It didn't take too much effort for Ves to cobble it together in a way that molded it to the form of the light mech without shifting its balance too much. He also made a few other tweaks to the Piranha Prime in order to increase its performance when it had its feet on the ground.
"I hope he manages to make it back." Ves worryingly sighed.